It's often necessary to estimate the approximate market value of a given farm-either for the present time or for some year in the past. Here's some information to help you do this without great trouble or expense.
Murray, W. G.
"How Much is Your Farm Worth?,"
Iowa Farm Science: Vol. 8
, Article 6.
Available at: https://lib.dr.iastate.edu/farmscience/vol8/iss9/6